magnesium has an atomic number of 12. which of the following s
molecules like water that have opposite partial charges at dif
what is a likely evolutionary advantage of sexual reproduction
________ are changes to the nucleotides in a segment of dna th
all living things are composed of units called:
in living organisms, molecules are composed of:
in the semiconservative replication of dna, each of the new dou
in which phase of mitosis do pairs of sister chromatids align i
a buffer is best defined as a solution that
a cell that is haploid
a complex of dna and histone is called a(n):
a forest may contain populations of bacteria, fungi, deer, frogs
a human female karyogram shows ______________.
a long chain of amino acids linked by peptide bonds is a
a parent with straight hair and a parent with curly hair have a
a plant's shoots and roots of plants increase in length through
a proton is best described as
a recessive trait will be observed in individuals that are _____
a sequence of three dna bases is a(n):
a solution with a lower concentration of solutes when compared t
a specialized cell that produces gametes, such as eggs or sperm
a tall pea plant with genotype dd can produce what type of gamet
a type of active transport that moves substances, including flui
a ___ is a diploid plant that produces spores
a(n)___ species is a species that has been introduced to an ecos
a/an __________ is a negatively charged particle that resides ou
a/an____ is a negative ion formed by gaining electrons
amelia is sorting invertebrates collected in a biodiversity surv
an adaptation in which an organism looks like another organism t
an ecosystem involves
an ecosystem is the level below the _____________ level.
an individual with an error in chromosome number is a __________
an individual with genotype wwgg can produce how many different
an isotope of sodium (na) has a mass number of 22. how many neut
an organism capable of producing its own food is a(n)___
an organism’s traits are determined by the specific combination
archaea differ from bacteria, except for the following character
at the end of meiosis ii, how many cells and what type of cells
at which stage of meiosis are homologous chromosomes separated f
at which state of meiosis are sister chromatids separated from e
a____ is a species which often forms the major structural portio
cellulose and glycogen are both
energy associated with objects in motion is called ____ energy
examine the phylogenetic tree below. which pair has the most rec
fermentation consists primarily of the process
free nucleotides are added at the replication fork of dna using
genetic drift is best defined as
grace over-watered her plants, causing an extreme hypotonic envi
height is a ______________.
how is the sugar in rna different from sugar in dna
how many chromosomes are pictures in a normal human karyotype
how many different amino acids make up all proteins found in liv
human offspring inherit mitochondrial dna from:
in a chemical reaction, the molecules entering the reaction
in animals, somatic cells:
in the dna molecule, the nitrogen-containing base guanine always
in the reproductive cloning of an animal, the genome of the clon
in the structure of dna, thymine always pairs with:
in vertebrates, the nerve cord forms the following
janak is constructing an evolutionary tree. which of the followi
leaves appear green because
logan had many dandelions in his lawn and was able to destroy mo
metabolic pathways know as ___________ reactions break down poly
mitosis results in daughter cells with:
mosses and ferns are best categorized as
mutualism occurs when
noah is a technician instructed to photograph some chromatids. h
nucleic acids are long polymers of repeating subunits called
onions have eight chromosomes. what would be the haploid number
organisms like plants that perform photosynthesis are called
plant cells do not form a cleavage furrow because plant cells:
producing offspring from a single parent is called
prokaryotes lack the following cell feature
proteins capable of speeding up specific chemical reactions in l
rinda is studying rare plants in south american jungles. how wou
scientists categorize animals into two distinct evolutionary bra
scientists divide organisms into___ domains
sexual reproduction involves the fusion of ________ cells to for
the energy currency used by cells is
the event that leads from the haploid stage to the diploid stage
the evolutionary ancestry of organisms is represent by diagrams
the genetic material in all living cells is:
the group hexapoda includes all of the following except
the hypothesis in a seed germination experiment is: light is nec
the internal membranes within a chloroplast are the
the land plants are probably descendants of which of these group
the most inclusive level of biological classification is the:
the movement of molecules from an area of high concentration to
the observable traits expressed by an organism are described as
the power source for photosynthesis is
the process of making polypeptides is called
the production of an exact copy of a gene, cell, or organism is
the scientific name of the woodchuck is marmota monax. what cate
the technique used to cure heritable diseases by replacing mutan
the term ___ is defined as the disappearance of a species from e
the term ____________ explains a gene present on the x chromosom
the term ______________ describes a trait that masks the express
the term ______________ describes a trait whose expression is ma
the transfer of an electrons from one atom to another will chang
the two major divisions of land plants are:
the use of artificial methods to modify the genetic material of
the____ is the basic unit of life
the____ stage is dominant in vascular plants
tumor suppressor genes are genes that code for:
use the diagram below to explain which letter includes organisms
use the diagram below to identify the organism that best fits in
what are the raw materials needed for photosynthesis
what are the two stages of photosynthesis
what chemical that builds up in muscles after strenuous exercise
what does the term progeny refer to?
what gas is an end product derviced from the breakdown of sugar
what is a genetically modified organism or gmo
what is it called when two alternate forms of an allele contribu
what is the function other pigment in plant leaves
when a cell moves substances against a concentration gradient, t
when an animal cells is place in a hypotonic solution they cell
when two different solutions have the same concentration of solu
when two organisms strive to obtain the same limited rescources
where in a cell does the citric acid cycle occur
where in the cell does the process of transcription take place?
where is dna located in a cell?
which abnormal sex chromosome pattern might be most likely to be
which arrangement of hierarchical levels goes from simplest to m
which blood type exhibits codominant alleles?
which factor is a source of variation in a population
which feature is not characteristic of mammals
which gamete will be formed in an individual with genotype wwgg?
which groups are vascular plants?
which is not a key feature of the scientific method?
which nitrogen-containing base is not found in dna?
which of the following consist of prokaryotic cells
which of the following does not occur
which of the following is a technique used to make multiple copi
which of the following is an enzyme that synthesizes an rna stra
which of the following is found both in eukaryotic and prokaryot
which of the following is not a crustacean?
which of the following is not a eukaryote
which of the following is not a feature common to most animals
which of the following is not recycles in an ecosystem
which of the following is the correct order of events in mitosis
which of the following organisms is a primary consumer
which of the following organisms is a secondary consumer
which of the following statements is true about haploid cells?
which of these cell parts is not paired correctly with its funct
which of these do all prokaryotes and eukaryotes share
which of these is not a difference between plant and animal cels
which of these is not a stage in the reactions of aerobic respir
which of these is not part of a nucleotides
which of these is true of an organic molecules
which organism is not a protist?
which polysaccharide is usually found in the cell walls of fungi
which property characterizes prokaryotes?
which statement about a karyotype is false?
which statement best explains atomic number?
which statement best explains the structure of the cell membrane
which statement describes bacterial dna?
which structure is not found in all chordates
which taxonomic level is found immediately below the domain leve
which term best describes an evolution that results in similar f
which term best describes the greater relative survival and repr
which term best describes the science of naming and grouping spe
which term best explains a structure that is similar because of
which term best explains a structure that is similar because of
which term best explains a type of symmetry in which is only one
which term best explains an animal without a body cavity
which term best represents a heritable trait or behavior in an o
which term defines a square within which a count of individuals
which term describes a method used to determine population size
which term describes an animal in which the blastopore develops
which term explains a technique used to separate molecules on th
which term explains a type of symmetry with multiple plans of sy
which term explains an animal that develops from three germ laye
which term explains an enzyme that recognizes a specific nucleot
which term explains interconnected pattern of trophic (feeding)
which term explains organisms that feed on dead organisms
which term explains the living components of an ecosystem
which term is the distance between consecutive points of a wave
which terms refers to "with oxygen"
which type of cell division produces gametes?
why are algae called the plant-like protista?